Monroe County is located in the southwestern part of Illinois and is part of the St. Louis metropolitan area. The county seat is Waterloo.

Monroe County is governed by a board of commissioners, which consists of seven members elected from single-member districts. The county is divided into seven districts, each of which is represented by one commissioner. The board is responsible for setting policy and overseeing the county's budget.

The county is served by a variety of state and local government agencies, including the Monroe County Sheriff's Office, the Monroe County Health Department, and the Monroe County Public Works Department.

The county is home to several state parks, including Pere Marquette State Park, Giant City State Park, and Kaskaskia River State Fish and Wildlife Area. The county is also home to several historic sites, including the Monroe County Courthouse, the Monroe County Jail, and the Monroe County Museum.

For the most up-to-date and in-depth information, please check the public records links below.